/* 动画和过渡效果 */

/* 淡入动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/* 滑入动画 */
@keyframes slideInUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 缩放动画 */
@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes zoomOut {
    from {
        transform: scale(1);
        opacity: 1;
    }
    to {
        transform: scale(0.8);
        opacity: 0;
    }
}

/* 旋转动画 */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* 弹跳动画 */
@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
        transform: translate3d(0,0,0);
    }
    40%, 43% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -30px, 0);
    }
    70% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -15px, 0);
    }
    90% {
        transform: translate3d(0,-4px,0);
    }
}

/* 摇摆动画 */
@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-10px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(10px);
    }
}

/* 闪烁动画 */
@keyframes flash {
    0%, 50%, 100% {
        opacity: 1;
    }
    25%, 75% {
        opacity: 0;
    }
}

/* 心跳动画 */
@keyframes heartbeat {
    0% {
        transform: scale(1);
    }
    14% {
        transform: scale(1.3);
    }
    28% {
        transform: scale(1);
    }
    42% {
        transform: scale(1.3);
    }
    70% {
        transform: scale(1);
    }
}

/* 动画类 */
.animate-fadeIn {
    animation: fadeIn 0.5s ease-in-out;
}

.animate-fadeOut {
    animation: fadeOut 0.5s ease-in-out;
}

.animate-slideInUp {
    animation: slideInUp 0.5s ease-out;
}

.animate-slideInDown {
    animation: slideInDown 0.5s ease-out;
}

.animate-slideInLeft {
    animation: slideInLeft 0.5s ease-out;
}

.animate-slideInRight {
    animation: slideInRight 0.5s ease-out;
}

.animate-zoomIn {
    animation: zoomIn 0.5s ease-out;
}

.animate-zoomOut {
    animation: zoomOut 0.5s ease-out;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-bounce {
    animation: bounce 1s ease-in-out infinite;
}

.animate-shake {
    animation: shake 0.5s ease-in-out;
}

.animate-flash {
    animation: flash 1s ease-in-out infinite;
}

.animate-heartbeat {
    animation: heartbeat 1.5s ease-in-out infinite;
}

/* 悬停效果 */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.hover-scale {
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-rotate {
    transition: transform 0.3s ease;
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(0, 123, 255, 0.5);
}

/* 加载动画 */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

.loading-dots {
    display: inline-block;
}

.loading-dots::after {
    content: '';
    animation: dots 1.5s steps(5, end) infinite;
}

@keyframes dots {
    0%, 20% {
        color: rgba(0, 0, 0, 0);
        text-shadow:
            .25em 0 0 rgba(0, 0, 0, 0),
            .5em 0 0 rgba(0, 0, 0, 0);
    }
    40% {
        color: black;
        text-shadow:
            .25em 0 0 rgba(0, 0, 0, 0),
            .5em 0 0 rgba(0, 0, 0, 0);
    }
    60% {
        text-shadow:
            .25em 0 0 black,
            .5em 0 0 rgba(0, 0, 0, 0);
    }
    80%, 100% {
        text-shadow:
            .25em 0 0 black,
            .5em 0 0 black;
    }
}

/* 进度条动画 */
.progress-bar-animated {
    background-image: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.15) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.15) 75%,
        transparent 75%,
        transparent
    );
    background-size: 1rem 1rem;
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    0% {
        background-position: 1rem 0;
    }
    100% {
        background-position: 0 0;
    }
}

/* 波纹效果 */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple:active::before {
    width: 300px;
    height: 300px;
}

/* 渐变背景动画 */
.gradient-animation {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 打字机效果 */
.typewriter {
    overflow: hidden;
    border-right: .15em solid orange;
    white-space: nowrap;
    margin: 0 auto;
    letter-spacing: .15em;
    animation: 
        typing 3.5s steps(40, end),
        blink-caret .75s step-end infinite;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: orange; }
}

/* 浮动动画 */
.float {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translatey(0px);
    }
    50% {
        transform: translatey(-20px);
    }
    100% {
        transform: translatey(0px);
    }
}

/* 延迟动画类 */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* 动画持续时间类 */
.duration-100 { animation-duration: 0.1s; }
.duration-200 { animation-duration: 0.2s; }
.duration-300 { animation-duration: 0.3s; }
.duration-500 { animation-duration: 0.5s; }
.duration-700 { animation-duration: 0.7s; }
.duration-1000 { animation-duration: 1s; }

/* 无限循环动画 */
.infinite { animation-iteration-count: infinite; }

/* 动画填充模式 */
.fill-both { animation-fill-mode: both; }
.fill-forwards { animation-fill-mode: forwards; }
.fill-backwards { animation-fill-mode: backwards; }

